Prepaid Extensions to Remote Authentication Dial-In User Service (RADIUS)
draft-lior-radius-prepaid-extensions-22
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Network Working Group A. Lior
Internet-Draft Independent
Intended status: Informational P. Yegani
Expires: August 29, 2013 Juniper
K. Chowdhury
Radio Mobile Access, Inc.
H. Tschofenig
Nokia Siemens Networks
A. Pashalidis
KUL
February 25, 2013
Prepaid Extensions to Remote Authentication Dial-In User Service
(RADIUS)
draft-lior-radius-prepaid-extensions-22.txt
Abstract
This document specifies an extension to the Remote Authentication
Dial-In User Service (RADIUS) protocol that enables service providers
to charge for prepaid services. The supported charging models
supported are volume-based, duration-based, and based on one-time
events.
Status of this Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 29, 2013.
Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Lior, et al. Expires August 29, 2013 [Page 1]
Internet-Draft Prepaid Extentions for RADIUS February 2013
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 5
1.2. Overview . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2.1. Architectural Model . . . . . . . . . . . . . . . . . 7
1.2.2. Motivation . . . . . . . . . . . . . . . . . . . . . . 9
1.3. Assumptions . . . . . . . . . . . . . . . . . . . . . . . 11
1.4. Example Use Case . . . . . . . . . . . . . . . . . . . . . 11
2. Supported Features . . . . . . . . . . . . . . . . . . . . . . 14
2.1. Services and Quotas . . . . . . . . . . . . . . . . . . . 14
2.2. Resource Pools . . . . . . . . . . . . . . . . . . . . . . 14
2.3. Rating Groups . . . . . . . . . . . . . . . . . . . . . . 16
2.4. Tariff Switching . . . . . . . . . . . . . . . . . . . . . 17
2.5. Support for Roaming . . . . . . . . . . . . . . . . . . . 18
2.6. Dynamic Termination . . . . . . . . . . . . . . . . . . . 19
2.7. One Time Event . . . . . . . . . . . . . . . . . . . . . . 19
2.7.1. One-Time Charging . . . . . . . . . . . . . . . . . . 19
2.7.2. Resource Consumption Query . . . . . . . . . . . . . . 20
2.7.3. Service Price Enquiry . . . . . . . . . . . . . . . . 20
2.7.4. Balance Check . . . . . . . . . . . . . . . . . . . . 21
2.7.5. Refund . . . . . . . . . . . . . . . . . . . . . . . . 21
3. Operations . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.1. Capability Discovery . . . . . . . . . . . . . . . . . . . 22
3.2. Authentication and Authorization Operation . . . . . . . . 22
3.3. Session Start Operation . . . . . . . . . . . . . . . . . 24
3.4. Mid-Session Operation . . . . . . . . . . . . . . . . . . 24
3.5. Dynamic Operations . . . . . . . . . . . . . . . . . . . . 26
3.5.1. Unsolicited Session Termination Operation . . . . . . 26
3.5.2. Unsolicited Change of Authorization Operation . . . . 26
3.6. Termination Operation . . . . . . . . . . . . . . . . . . 27
3.7. Mobile IP Operations . . . . . . . . . . . . . . . . . . . 27
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